package org.smart4j.chapter2.service;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.smart4j.chapter2.helper.DatabaseHelper;
import org.smart4j.chapter2.model.Customer;
import org.smart4j.chapter2.util.PropsUtil;

import java.util.*;


public class CustomerService {

    private static final Logger LOGGER = LoggerFactory.getLogger(CustomerService.class);

    //    查询客户列表
    public List<Customer> getCustomerList() {

        String sql = "select * from customer";
        return DatabaseHelper.queryEntityList(Customer.class, sql);

    }

    //  查询客户
    public Customer getCustomer(long id) {
        String sql="select * from customer where id=?";
        return DatabaseHelper.queryEntity(Customer.class,sql,id);
    }

    //  添加客户
    public boolean createCustomer(Map<String,Object> fieldMap) {
        return DatabaseHelper.insertEntity(Customer.class,fieldMap);
    }

    //    更新客户
    public boolean updateCustomer(long id, Map<String, Object> fieldMap) {
        return DatabaseHelper.updateEntity(Customer.class,id,fieldMap);
    }

    //    删除客户
    public boolean deleteCustomer(long id) {
        return DatabaseHelper.deleteEntity(Customer.class,id);
    }
}
